gcc: add -Warray-bounds, -Wrestrict, -Wreturn-local-addr, -Wstringop-overflow

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/configure.ac b/configure.ac
index d9365ac026944634181399aa2cb2ec9c53206fae..c55810831ec996ab10721c1214db6b7d5cd3bcab 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -753,6 +753,10 @@ AX_CHECK_COMPILE_FLAG([-Wnested-externs], [CFLAGS="$CFLAGS -Wnested-externs"],,[
 AX_CHECK_COMPILE_FLAG([-fasynchronous-unwind-tables], [CFLAGS="$CFLAGS -fasynchronous-unwind-tables"],,[-Werror])
 AX_CHECK_COMPILE_FLAG([-pipe], [CFLAGS="$CFLAGS -pipe"],,[-Werror])
 AX_CHECK_COMPILE_FLAG([-fexceptions], [CFLAGS="$CFLAGS -fexceptions"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Warray-bounds], [CFLAGS="$CFLAGS -Warray-bounds"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Wrestrict], [CFLAGS="$CFLAGS -Wrestrict"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Wreturn-local-addr], [CFLAGS="$CFLAGS -Wreturn-local-addr"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Wstringop-overflow], [CFLAGS="$CFLAGS -Wstringop-overflow"],,[-Werror])
 
 AX_CHECK_LINK_FLAG([-z relro], [LDFLAGS="$LDFLAGS -z relro"],,[])
 AX_CHECK_LINK_FLAG([-z now], [LDFLAGS="$LDFLAGS -z now"],,[])